PageHeader : Funkcialaj Ekvacioj, 25 (1982) 227-242 Title : Differential Inequalities on Abstract Metric Spaces AuthorInfo : By AuthorInfo : Mihai TURINICI AuthorInfo : (University of Iasi, Romania) section : §0. Introduction. section : §1. Maximality principles and abstract intersection theorems. Let (X, $ \leq)$ be a (partially) ordered set. For any x in X, let $X(x, \leq)$ indicate section : §2. The main result. section : §3. Some particular cases. section : §4. Applications. section : References